1. Dermatology Osaka City General Hospital Osaka Japan
2. General Thoracic Surgery Osaka City General Hospital Osaka Japan
3. Department of General Thoracic Surgery Bell Land General Hospital Osaka Japan
4. Hepato‐Biliary‐Pancreatic Surgery Osaka City General Hospital Osaka Japan
5. Pathology Osaka City General Hospital Osaka Japan
6. Infectious Diseases Osaka City General Hospital Osaka Japan
7. Gastroenterology Osaka City General Hospital Osaka Japan